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Old 10-03-2011, 09:13 PM   #1
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Got to stop greyish white streaks

I got on the roof for two days a couple weeks ago and scrubbed the whole thing with Murphy's Oil Soap as Fleetwood suggested. Then washed the rest of "The Beast". Got tons of milky liquid off the roof. Now it's rained twice, and while not as bad, I am getting the streaks down the sides again. Will coating the roof with something stop this? If so, what's the least expensive, and least work method. I'm worn out.
Can't let it beat me just because it's bigger than I am.
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Old 10-03-2011, 09:17 PM   #2
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Is this a rubber of fiberglass roof?

If rubber or fiberglass you could use 303 protectant availabe from most marine/boat shops.

If fiberglass some are using mop & glow or Red Max Pro
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Old 10-03-2011, 09:20 PM   #3
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It's the roofing itself that's flaking off. This is a problem with EPDM roofing. You might try looking into Dicor roof cleaner and coating. We have Britetek roofing which is TPO and never get the streaks. I do clean mine and spray it with 303 at least once a year.
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Old 10-03-2011, 09:35 PM   #4
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https://secure.websolhost.net/@epdmcoatings/order.html

I get the same streaks and haven't added the coating yet ( I still need to clean it) but from what I've read around the forums, the coating used at the above link does the trick.

For what it's worth, I haven't tried it yet.
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Old 10-04-2011, 02:20 AM   #5
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The roof has to be TPO from what Fleetwood tells me. It's not flaking and cleaned well, but took two days washing the rig. I scrubbed the roof on hands and knees. What is 303? Who makes that number? Will I have to wash again, since it's only been two weeks and just rained on it twice?
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Old 10-04-2011, 05:18 AM   #6
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If you have a fiberglass roof, it generally is not sealed like the sides of your coach are with paint and clear coat. The fiberglass oxidizes causing the white/gray streaks when moisture carries it off of the top. People have used Mop & Glo to coat the roof every 3-4 months. Most say that it helps but don't let any drip down the sides, keep it on top.

If you have a EPDM rubber roof, then a liquid coating such as the one that was listed in one of the above postings with a link will fix your problem.

Dr4Film ----- Richard
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Old 10-04-2011, 03:16 PM   #7
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Quote:
Originally Posted by Dr4Film View Post
If you have a fiberglass roof, it generally is not sealed like the sides of your coach are with paint and clear coat. The fiberglass oxidizes causing the white/gray streaks when moisture carries it off of the top. People have used Mop & Glo to coat the roof every 3-4 months. Most say that it helps but don't let any drip down the sides, keep it on top.

If you have a EPDM rubber roof, then a liquid coating such as the one that was listed in one of the above postings with a link will fix your problem.

Dr4Film ----- Richard
Agree with Dr4Film..Richard. I have a Fiberglass roof, but my "White/Grey" streak problem was only in the back of the RV. Found out the Rear Fiberglass cap was oxidizing only up on the rear roof area. The "Chalking" was fixed by a single coat of elastomeric "Snowcoat" from Ace Hardware. Worked great, so I did front cap roof area and most of roof also with it. Goes on blue and dries white. Can be used on A/C covers too.
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Old 10-04-2011, 06:50 PM   #8
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I use 303 Protectant by the gallon. You can buy it online at Auto Geek or at www.303products.com. I think Aerospace makes it, just google 303 Protectant and you will find sources. It works great on everything from the roof, ac shrouds, tires, front of coach to keep bug removal easy, well, you name it is great. Only thing it won't do is act like wax for the coach.
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Old 10-04-2011, 06:57 PM   #9
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Thanks to all for the input. I am going to get Ace to order some for me.
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Old 10-04-2011, 08:39 PM   #10
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I use a vinyl floor wax. I just mop it on after I washed it good.
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